Finding the Fourth Proportional to 88,885.76, 122,662.42 and 48,599.60
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Solution
The fourth proportional to 88,885.76, 122,662.42 and 48,599.60 is: 67,067.48
Step by Step Solution
- Step 1: Write the proportion equation
88,885.76 : 122,662.42 = 48,599.60 : x - Step 2: Convert to fraction form
88,885.76/122,662.42 = 48,599.60/x - Step 3: Cross multiply
88,885.76x = 122,662.42 × 48,599.60 - Step 4: Simplify right side
88,885.76x = 5,961,343,812.22 - Step 5: Solve for x
x = 5,961,343,812.22/88,885.76 - Step 6: Final answer
x = 67,067.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.